2056510105

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{71419}}^1$

素因数の和:71880

約数の個数: 16

約数和(自身を含む): 2663680320

約数和(自身を除く): 607170215

約数列:

[1, 5, 13, 65, 443, 2215, 5759, 28795, 71419, 357095, 928447, 4642235, 31638617, 158193085, 411302021, 2056510105]

約数ペア:

[(1, 2056510105), (5, 411302021), (13, 158193085), (65, 31638617), (443, 4642235), (2215, 928447), (5759, 357095), (28795, 71419)]